David Gregory Infuso - 12 Jan 2026 Form 4 Insider Report for MP Materials Corp. / DE (MP)

Role
Chief Accounting Officer
Signature
/s/ Elliot D. Hoops, attorney-in-fact for David Gregory Infuso
Issuer symbol
MP
Transactions as of
12 Jan 2026
Net transactions value
-$184,884
Form type
4
Filing time
14 Jan 2026, 19:42:33 UTC
Previous filing
14 Oct 2025
Next filing
22 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Infuso David Gregory Chief Accounting Officer 1700 S PAVILION CENTER DRIVE, SUITE 800, LAS VEGAS /s/ Elliot D. Hoops, attorney-in-fact for David Gregory Infuso 14 Jan 2026 0002059140

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MP Common Stock Award $0 +3,894 +8.1% $0.000000 51,988 12 Jan 2026 Direct F1
transaction MP Common Stock Award $0 +1,301 +2.5% $0.000000 53,289 12 Jan 2026 Direct F2
transaction MP Common Stock Tax liability $37,963 -581 -1.1% $65.34 52,708 12 Jan 2026 Direct F3
transaction MP Common Stock Tax liability $116,152 -1,820 -3.5% $63.82 50,888 13 Jan 2026 Direct F4
transaction MP Common Stock Tax liability $30,769 -444 -0.87% $69.30 50,444 14 Jan 2026 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The securities reported are restricted stock units that vest in four annual installments beginning on the first anniversary of the grant date. Each restricted stock unit represents the contingent right to receive, upon vesting of the unit, one share of the issuer's common stock.
F2 The securities reported are restricted stock units that vested on the date of grant.
F3 Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 12, 2026.
F4 Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 13, 2026.
F5 Represents shares withheld to satisfy tax withholding obligations applicable to the vesting of restricted stock units that vested on January 14, 2026.